Everything you Need to Know About Marine Exhaust Systems
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Introduction Back in the 1970’s I became heavily involved in the mechanics of boats and before I knew it they became my passion. I have been lucky to have gained over 25 years of experience and 10’s of thousands of … Read More

Marine Exhaust Systems
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There are no REQUIRED exhaust sizes for Cummins marine engines; there are RECOMMENDED minimum sizes that may or may not meet the required exhaust restriction requirements published by Cummins. Those two statements above are also applicable to most marine engine … Read More

Proper Technique for Clamping Exhaust Hose
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Pictured is the proper way to clamp exhaust hose, distributing the crush force evenly both top and bottom.

Typical Properly Designed Marine Port & Starboard Exhaust Risers
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The most important elements of a properly designed exhaust riser are as follows: The DRY section of the exhaust “rises” as far vertically as the engine compartment can allow, which creates a “spill over” point as HIGH as possible above … Read More